-88.38% is the change from 697 to 81
Calculation steps:
[( 81 - 697 ) ÷ 697] x 100 = -88.38%
Formula
Percentage change = [(81 - 697) / 697] x 100
Subtract the new number by the original number
81 - 697 = -616
-616 ÷ 697 = -0.8837876614060258
-0.8837876614060258 x 100 = -88.38%